May weather forecastDevon, Jamaica
May
Weather in May
The last month of the spring, May, is another warm month in Devon, Jamaica, with an average temperature ranging between max 28.3°C (82.9°F) and min 25°C (77°F).Temperature
The onset of May notes an average high-temperature of a still moderately hot 28.3°C (82.9°F), subtly shifted from April's 27.7°C (81.9°F). An average temperature of 25°C (77°F) is logged during the nights of May, a small step down from daytime highs.Heat index
The heat index value for May is estimated at a hot 33°C (91.4°F). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.Heat index evaluations are typically in the context of light winds and shaded environments. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Humidity
The months with the highest humidity in Devon are May, June, November and December, with an average relative humidity of 79%.Rainfall
In Devon, Jamaica, in May, during 21.2 rainfall days, 82mm (3.23") of precipitation is typically accumulated. Throughout the year, there are 220.4 rainfall days, and 674mm (26.54") of precipitation is accumulated.Snowfall
January through August, October through December are months without snowfall in Devon.Daylight
In Devon, the average length of the day in May is 12h and 59min.On the first day of May in Devon, sunrise is at 05:42 and sunset at 18:31. On the last day of the month, sunrise is at 05:33 and sunset at 18:42 EST.
Sunshine
The average sunshine in May in Devon is 10.9h.UV index
April through December, with an average maximum UV index of 7, are months with the highest UV index in Devon. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 7 in May leads to these recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Devon, Jamaica
- Average high temperature in May: 28.3°C
The warmest month (with the highest average high temperature) is August (29.7°C).
The months with the lowest average high temperature are February and March (26.6°C).
- Average low temperature in May: 25°C
The month with the highest average low temperature is August (26.3°C).
The coldest month (with the lowest average low temperature) is March (23.1°C).
Average pressure in May
Devon, Jamaica
- Average pressure in May: 1013.8mbar
The month with the highest atmospheric pressure is January (1015.7mbar).
The month with the lowest atmospheric pressure is October (1011.6mbar).
Average wind speed in May
Devon, Jamaica
- Average wind speed in May: 15.7km/h
The windiest month (with the highest average wind speed) is June (17.9km/h).
The calmest month (with the lowest average wind speed) is September (13.1km/h).
Average humidity in May
Devon, Jamaica
- Average humidity in May: 79%
The months with the highest relative humidity are May, June, November and December (79%).
The month with the lowest relative humidity is March (77%).
Average rainfall in May
Devon, Jamaica
- Average rainfall in May: 82mm
The wettest month (with the highest rainfall) is September (99mm).
The driest month (with the least rainfall) is February (27mm).
Average rainfall days in May
Devon, Jamaica
- Average rainfall days in May: 21.2 days
The month with the highest number of rainy days is October (23.9 days).
The month with the least rainy days is February (15 days).
Average snowfall in May
Devon, Jamaica
- Average snowfall in May: 0mm
The month with the highest snowfall is September (1mm).
The months with the least snowfall are January, February, March, April, May, June, July, August, October, November and December (0mm).
Average snowfall days in May
Devon, Jamaica
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average daylight in May /
Average sunshine in May
Devon, Jamaica
- Average daylight in May: 13h and 0min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in May: 10h and 54min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in May
Devon, Jamaica
- Average sunshine days in May: 3.4 days
The month with the most sunshine days is January (9.6 days).
The month with the least sunshine days is September (3.3 days).
Average UV index in May
Devon, Jamaica
- Average UV index in May: 7
The months with the highest UV index are April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February and March (UV index 6).
Average cloud cover in May
Devon, Jamaica
- Average cloud cover in May: 29
The months with the most cloud cover are November and December (Cloud cover 33).
The months with the least cloud cover are August and September (Cloud cover 24).
Average visibility in May
Devon, Jamaica
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
